To prevent ozone hurting people, CFC's must be banned. They are the ones that deplete ozone.
See "What can we do to protect the ozone layer?" in the "Related questions" section below.
There is little that can be done to prevent stupid people asking unanswerable questions.
build stilt houses
hire all honest people, law biding
People eating tutti because they like it
no has terminado de hacerme daño
what must be done to prevent this from happening
do your job right or the best you can, be respectful, grateful, and and have manners, and not be sassy or provoke people
People are setting up preserves to save the rainforests.
People are using less gas and becoming more envirementally friendly
people are trying to prevent hunger by donating food to millions of poeple in the u.s. U can do this 2! :)
People are trying to stop poachers from poaching them, killing them, and hunting them down.